Withings Scanwatch 38mm vs 42mm – What’s the Difference?

• Design


Basically, these two are the same; it same case and straps material, the same brighter and bigger PMOLED display, same more durable sapphire glass material. However, the difference between these two comes in the sizes and this also affects the varying weight as well as thickness size.

In other words, the 38mm model is a more compact, slimmer and lighter device than the 42mm model. It’s a more comfortable wear. Although the 42mm is not bulky, just moderate and will make a perfect fit for both men and women. Moreover, it has a wider display and subsequently a wider PMOLED display that allows you to read complications easily.


• Fitness Tracking


The Scanwatch is perhaps the most advanced fitness tracker on the market, this device is built in collaboration with health specialists to be able to track the number of very important health complications that may go unnoticed such as sleep apnea, irregular heart rhythm also known as atrial fibrillation (AFib), complete sleep cycle, continuous heart rate tracking, fitness level, and outdoor activities via connected GPS to your phone.

Sleep apnea can go unnoticed, it occurs as a result of insufficient flow of blood into the lungs which may lead to low blood oxygen. So also is AFib which occurs when the atrial beat out of coordination with the lower chamber of the heart (ventricles) and can go unnoticed except in some cases where symptoms such as heart palpitations, shortness of breath and fatigue may be observed.

The Scanwatch will track your complete sleep cycle and analysis the three stages of your sleep and the time spent in each, while with continuous heart rate tracking, tracks your heart rate zones, monitors calories, and is able to alert you when the atypical heartbeat is observed.

With connected GPS, the Scanwatch access your phone GPS to show your route, pace, distance, and locations. There’s also an altimeter that is able to detect floors climbed and SpO2 sensor that monitors blood oxygen levels which is also used in sleep apnea detection.

The Scanwatch comes with 39 preloaded sport modes from which you can lunch your preferred workout mode simply via the digital crown button. It automatically tracks your walk, runs, and swims.


• Battery Life

The Scanwatch has been tested to last up to 30 days from a single charge which is very much impressive. There’s not much difference in the battery life of these two, you should expect about the same battery life of 25 days or more with normal usage and less with continuous activity tracking.